putty[.]exe | Triage

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General

Target

putty.exe
Size

512KB
MD5

354d9abefa0ed67a08bd056324284d6e
SHA1

91b21fffe934d856c43e35a388c78fccce7471ea
SHA256

8aafc0858cb440910b9b7f237124f373389591a488a77d3d367da56bbf462678
SHA512

cd19886a308a447acb685111616a74c94da626ae9b3013293eafb44ccda94b07261180af97043cd98e6ef8be5df6951ad458ed312f2819bfd71ac9a0be57f9b0
SSDEEP

12288:f+xK4ItTd1NaM4KuMqT6iVX5bB3CX0Rvjc6rJt6HT:f+xK3tTd1NWHvmib13CX0RrDrX6z

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
putty.exe

Files

putty.exe
.exe windows x86

03193363607388aff9154d15a308b0f6

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

RegCloseKey
RegQueryValueExA
RegOpenKeyA
GetUserNameA
EqualSid
CopySid
GetLengthSid
SetSecurityDescriptorDacl
SetSecurityDescriptorOwner
InitializeSecurityDescriptor
AllocateAndInitializeSid
RegCreateKeyA
RegSetValueExA
RegDeleteKeyA
RegEnumKeyA
RegDeleteValueA
RegCreateKeyExA

comctl32

ord14
ord15
ord17
ord13

comdlg32

ChooseColorA
ChooseFontA
GetOpenFileNameA
GetSaveFileNameA

gdi32

CreateBitmap
IntersectClipRect
ExcludeClipRect
UpdateColors
DeleteDC
GetTextExtentPoint32A
CreateCompatibleDC
DeleteObject
TextOutA
SetBkColor
SetTextColor
Rectangle
CreateSolidBrush
GetStockObject
SelectObject
CreateFontIndirectA
GetTextExtentExPointA
SetMapMode
GetDeviceCaps
GetTextMetricsA
CreateFontA
RealizePalette
SelectPalette
CreatePalette
ExtTextOutA
GetCharacterPlacementW
SetBkMode
GetBkMode
ExtTextOutW
GetCharABCWidthsFloatA
GetPixel
SetTextAlign
CreateCompatibleBitmap
TranslateCharsetInfo
GetObjectA
LineTo
MoveToEx
CreatePen
SetPixel
Polyline
GetCharWidthW
GetCharWidth32W
GetCharWidthA
GetCharWidth32A
SetPaletteEntries
UnrealizeObject

imm32

ImmReleaseContext
ImmGetCompositionStringW
ImmSetCompositionFontA
ImmGetContext
ImmSetCompositionWindow

ole32

CoUninitialize
CoInitialize
CoCreateInstance

shell32

ShellExecuteA

user32

GetClipboardOwner
FindWindowA
MessageBoxIndirectA
GetQueueStatus
WinHelpA
GetDoubleClickTime
DefWindowProcA
InvalidateRect
SetWindowPos
EndPaint
GetWindowTextA
GetWindowTextLengthA
GetClientRect
BeginPaint
SetWindowTextA
GetSystemMenu
CreateMenu
SetForegroundWindow
GetForegroundWindow
UpdateWindow
PeekMessageA
MsgWaitForMultipleObjects
IsWindow
CreateCaret
ShowCaret
HideCaret
DestroyCaret
TranslateMessage
EnableMenuItem
GetCursorPos
TrackPopupMenu
GetScrollInfo
ScreenToClient
GetKeyboardLayout
SetKeyboardState
ToAsciiEx
SetScrollInfo
GetMessageTime
PostMessageA
CheckMenuItem
IsZoomed
FlashWindow
GetClipboardData
RegisterClipboardFormatA
EmptyClipboard
SetClipboardData
CloseClipboard
SetCaretPos
KillTimer
SetTimer
GetKeyboardState
SetClassLongA
SetCursor
ShowCursor
CreatePopupMenu
InsertMenuA
DeleteMenu
AppendMenuA
IsIconic
GetSystemMetrics
GetCapture
ReleaseCapture
LoadIconA
GetDesktopWindow
MoveWindow
DefDlgProcA
LoadCursorA
CreateDialogParamA
GetMessageA
GetWindowLongA
IsDialogMessageA
DispatchMessageA
PostQuitMessage
EnableWindow
DialogBoxParamA
EndDialog
GetParent
SetActiveWindow
GetWindowPlacement
SetWindowPlacement
RegisterWindowMessageA
DrawEdge
GetDlgItemTextA
SetCapture
MessageBoxA
SetFocus
GetDlgItem
SetDlgItemTextA
CheckDlgButton
IsDlgButtonChecked
CheckRadioButton
SetWindowLongA
MessageBeep
SendDlgItemMessageA
GetDC
ReleaseDC
SendMessageA
MapDialogRect
GetCaretBlinkTime
DestroyWindow
RegisterClassA
GetSysColor
SystemParametersInfoA
GetWindowRect
CreateWindowExA
ShowWindow
OpenClipboard

winmm

PlaySoundA

winspool.drv

OpenPrinterA
StartDocPrinterA
StartPagePrinter
EndDocPrinter
ClosePrinter
EnumPrintersA
WritePrinter
EndPagePrinter

kernel32

SetEnvironmentVariableA
CompareStringW
CompareStringA
HeapSize
SetEndOfFile
InterlockedExchange
RtlUnwind
SetFilePointer
SetStdHandle
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
UnhandledExceptionFilter
VirtualFree
HeapCreate
HeapDestroy
GetFileType
GetStdHandle
SetHandleCount
LCMapStringW
LCMapStringA
VirtualQuery
GetSystemInfo
VirtualAlloc
VirtualProtect
GetTimeZoneInformation
FlushFileBuffers
GetStringTypeW
GetStringTypeA
GetCommandLineA
GetStartupInfoA
GetSystemTimeAsFileTime
TerminateProcess
ExitProcess
HeapFree
HeapReAlloc
HeapAlloc
GetDateFormatA
GetTimeFormatA
GetCurrentDirectoryA
SetCurrentDirectoryA
GetACP
GetLocalTime
GetEnvironmentVariableA
DeleteFileA
CreateMutexA
ReleaseMutex
SetCommBreak
GetCommState
SetCommState
SetCommTimeouts
ClearCommBreak
OpenProcess
CreatePipe
SetHandleInformation
GetCurrentThreadId
LocalAlloc
ConnectNamedPipe
CreateNamedPipeA
CreateFileA
WaitNamedPipeA
LocalFree
GetWindowsDirectoryA
FindFirstFileA
FindNextFileA
FindClose
GetCurrentProcessId
QueryPerformanceCounter
GlobalMemoryStatus
GetCurrentThread
GetThreadTimes
GetCurrentProcess
GetProcessTimes
GetSystemTime
GetSystemTimeAdjustment
FormatMessageA
GetSystemDirectoryA
WriteFile
CreateEventA
ReadFile
GetLastError
WaitForSingleObject
GetOverlappedResult
SetEvent
LoadLibraryA
FreeLibrary
CreateFileMappingA
MapViewOfFile
UnmapViewOfFile
GetModuleFileNameA
CreateProcessA
CloseHandle
Beep
CreateThread
WideCharToMultiByte
GlobalAlloc
GlobalLock
GlobalUnlock
GlobalFree
IsDBCSLeadByteEx
MultiByteToWideChar
GetLocaleInfoA
GetOEMCP
GetCPInfo
lstrcpynA
GetModuleHandleA
GetProcAddress
GetVersionExA
MulDiv
GetTickCount

Sections

.text
Size: 368KB - Virtual size: 366KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 116KB - Virtual size: 115KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

03193363607388aff9154d15a308b0f6

Headers

File Characteristics

Imports

advapi32

comctl32

comdlg32

gdi32

imm32

ole32

shell32

user32

winmm

winspool.drv

kernel32

Sections

.text Size: 368KB - Virtual size: 366KB

.rdata Size: 116KB - Virtual size: 115KB

.data Size: 8KB - Virtual size: 22KB

.rsrc Size: 16KB - Virtual size: 14KB

.text
Size: 368KB - Virtual size: 366KB

.rdata
Size: 116KB - Virtual size: 115KB

.data
Size: 8KB - Virtual size: 22KB

.rsrc
Size: 16KB - Virtual size: 14KB